<template>
  <div class="login_container">
    <div class="login_box">
      <!-- 头像区域 -->
      <div class="avatar_box">
        <img src="../assets/logo.png" alt="图片未配置..." />
      </div>
      <!-- 登录表单区域 -->
      <el-form ref="loginFormRef" :model="loginForm" label-width="0px" class="login_form" :rules="loginRules">
        <!-- 登录名 -->
        <el-form-item label="" prop="username">
          <el-input v-model="loginForm.username" prefix-icon="el-icon-user-solid" placeholder="请输入账号"></el-input>
        </el-form-item>
        <!-- 密码 -->
        <el-form-item label="" prop="password">
          <el-input v-model="loginForm.password" prefix-icon="el-icon-suitcase" show-password placeholder="请输入密码"></el-input>
        </el-form-item>
        <el-form-item class="btns">
          <el-button type="primary" round @click="login">登录</el-button>
          <el-button type="info" round @click="resetLoginForm">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>
<script>
import { loginPostApi } from '../request/api'
export default {
  data () {
    return {
      loginForm: {
        username: this.$store.state.username,
        password: this.$store.state.password
      },
      loginRules: {
        username: [
          { required: true, message: '请输入用户名！', trigger: 'blur' },
          { min: 3, max: 15, message: '长度在 3 到 12 个字符!', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码！', trigger: 'blur' },
          { min: 3, max: 15, message: '长度在 3 到 12 个字符!', trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    resetLoginForm () {
      this.$refs.loginFormRef.resetFields()
    },
    login () {
      this.$refs.loginFormRef.validate(valid => {
        if (!valid) return
        const axiosPost = loginPostApi(this.loginForm)
        const loadingInstance = this.$loading.service({
          lock: true,
          text: 'Loading',
          spinner: 'el-icon-loading',
          background: 'rgba(0, 0, 0, 0.7)'
        })
        axiosPost.then(({ data: dataRes }) => {
          loadingInstance.close()
          if (dataRes.meta.status !== 200) return this.$message.error('登录失败！')
          this.$message.success('登录成功！')
          const token = dataRes.data.token
          window.sessionStorage.setItem('token', token)
          this.$router.push({ name: 'home' })
        })
      }, (reason) => {
        // console.log(reason)
        this.$message.error('登录失败！')
      })
    }
  }
}

</script>
<style lang="less" scoped>
.login_container {
  background-color: #2b4b6b;
  height: 100%;
}
.login_box {
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 6px;
  position: absolute;
  transform: translate(-50%, -50%);
  left: 50%;
  top: 50%;
  .avatar_box {
    width: 130px;
    height: 130px;
    border: 1px solid #eee;
    max-width: fit-content;
    position: absolute;
    padding: 10px;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    box-shadow: 0 0 10px #ddd;
    background-color: #fff;
    img {
      width: 100%;
      height: 100%;
      border-radius: 50%;
      background-color: #eee;
    }
  }
}
.login_form {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}
.btns {
  display: flex;
  justify-content: flex-end;
}
</style>
